Merge pull request #1809 from heuripedes/master

Qb fixes

configure

@@ -4,6 +4,8 @@ PACKAGE_NAME=retroarch
 
 cat /dev/null > config.log
 
+. qb/qb.system.sh
+
 . qb/qb.params.sh
 
 . qb/qb.comp.sh

qb/config.comp.sh

@@ -1,2 +1,7 @@
 USE_LANG_C="yes"
-USE_LANG_CXX="yes"
+
+# C++ compiler is optional in other platforms supported by ./configure
+if [ "$OS" = 'Win32' ]; then
+	USE_LANG_CXX="yes"
+fi
+

qb/config.libs.sh

@@ -246,6 +246,8 @@ if [ "$HAVE_OPENGL" != 'no' ] && [ "$HAVE_GLES" != 'yes' ]; then
    else
       # On some distros, -lCg doesn't link against -lstdc++ it seems ...
       check_lib_cxx CG -lCg cgCreateContext
+      check_lib OPENGL -lGL
+      check_header OPENGL "GL/gl.h"
       [ "$HAVE_CG" = 'yes' ] && CG_LIBS='-lCg -lCgGL'
    fi
 

qb/qb.comp.sh

@@ -4,83 +4,77 @@ TEMP_C=.tmp.c
 TEMP_CXX=.tmp.cxx
 TEMP_EXE=.tmp
 
-ECHOBUF="Checking operating system"
-#echo -n "Checking operating system"
-
-if [ -n "$CROSS_COMPILE" ]; then
-	case "$CROSS_COMPILE" in
-		*'-mingw32'*) OS='Win32';;
-		*);;
-	esac
-fi
-
-if [ -z "$CROSS_COMPILE" ] || [ -z "$OS" ]; then
-	case "$(uname)" in
-		'Linux') OS='Linux';;
-		*'BSD') OS='BSD';;
-		'Darwin') OS='Darwin';;
-		'CYGWIN'*) OS='Cygwin';;
-		'Haiku') OS='Haiku';;
-		'MINGW'*) OS='Win32';;
-		*) OS="Win32";;
-	esac
-fi
-
-DISTRO=''
-if [ -e /etc/lsb-release ]; then
-	. /etc/lsb-release
-	DISTRO="(${DISTRIB_DESCRIPTION} ${DISTRIB_RELEASE})"
-fi
-
-echo "$ECHOBUF ... $OS ${DISTRO}"
-
 # Checking for working C compiler
-if [ "$USE_LANG_C" = 'yes' ]; then
+cat << EOF > "$TEMP_C"
-	ECHOBUF="Checking for suitable working C compiler"
-#	echo -n "Checking for suitable working C compiler"
-	cat << EOF > "$TEMP_C"
 #include <stdio.h>
 int main(void) { puts("Hai world!"); return 0; }
 EOF
-	if [ -z "$CC" ]; then
+
-		for CC in ${CC:=$(which ${CROSS_COMPILE}gcc ${CROSS_COMPILE}cc ${CROSS_COMPILE}clang 2>/dev/null)} ''; do
+cc_works=0
-			"$CC" -o "$TEMP_EXE" "$TEMP_C" >/dev/null 2>&1 && break
+if [ "$CC" ]; then
-		done
+	"$CC" -o "$TEMP_EXE" "$TEMP_C" >/dev/null 2>&1 && cc_works=1
-	fi
+else
-	[ "$CC" ] || { echo "$ECHOBUF ... Not found. Exiting."; exit 1;}
+	for CC in ${CC:=$(which ${CROSS_COMPILE}gcc ${CROSS_COMPILE}cc ${CROSS_COMPILE}clang 2>/dev/null)} ''; do
-	echo "$ECHOBUF ... $CC"
+		"$CC" -o "$TEMP_EXE" "$TEMP_C" >/dev/null 2>&1 && cc_works=1 && break
-	rm -f "$TEMP_C" "$TEMP_EXE"
+	done
+fi
+
+rm -f "$TEMP_C" "$TEMP_EXE"
+
+cc_status='does not work'
+if [ "$cc_works" == '1' ]; then
+	cc_status='works'
+elif [ -z $CC ]; then
+	cc_status='not found'
+fi
+
+echo "Checking for suitable working C compiler ... $CC $cc_status"
+
+if [ "$cc_works" == '0' ] && [ "$USE_LANG_C" = 'yes' ]; then
+	echo "Error: Cannot proceed without a working C compiler."
+	exit 1
 fi
 
 # Checking for working C++
-if [ "$USE_LANG_CXX" = 'yes' ]; then
+cat << EOF > "$TEMP_CXX"
-	ECHOBUF="Checking for suitable working C++ compiler"
-#	echo -n "Checking for suitable working C++ compiler"
-	cat << EOF > "$TEMP_CXX"
 #include <iostream>
 int main() { std::cout << "Hai guise" << std::endl; return 0; }
 EOF
-	if [ -z "$CXX" ]; then
+
-		for CXX in ${CXX:=$(which ${CROSS_COMPILE}g++ ${CROSS_COMPILE}c++ ${CROSS_COMPILE}clang++ 2>/dev/null)} ''; do
+cxx_works=0
-			"$CXX" -o "$TEMP_EXE" "$TEMP_CXX" >/dev/null 2>&1 && break
+if [ "$CXX" ]; then
-		done
+	"$CXX" -o "$TEMP_EXE" "$TEMP_CXX" >/dev/null 2>&1 && cxx_works=1
-	fi
+else
-	[ "$CXX" ] || { echo "$ECHOBUF ... Not found. Exiting."; exit 1;}
+	for CXX in ${CXX:=$(which ${CROSS_COMPILE}g++ ${CROSS_COMPILE}c++ ${CROSS_COMPILE}clang++ 2>/dev/null)} ''; do
-	echo "$ECHOBUF ... $CXX"
+		"$CXX" -o "$TEMP_EXE" "$TEMP_CXX" >/dev/null 2>&1 && cxx_works=1 && break
-	rm -f "$TEMP_CXX" "$TEMP_EXE"
+	done
+fi
+
+rm -f "$TEMP_CXX" "$TEMP_EXE"
+
+cxx_status='does not work'
+if [ "$cxx_works" = '1' ]; then
+	cxx_status='works'
+elif [ -z $CXX ]; then
+	cxx_status='not found'
+fi
+
+echo "Checking for suitable working C++ compiler ... $CXX $cxx_status"
+
+if [ "$cxx_works" = '0' ] && [ "$USE_LANG_CXX" = 'yes' ]; then
+	echo "Error: Cannot proceed without a working C++ compiler."
+	exit 1
 fi
 
 if [ "$OS" = "Win32" ]; then
-	ECHOBUF="Checking for windres"
+	echobuf="Checking for windres"
 	if [ -z "$WINDRES" ]; then
 		WINDRES=$(which ${CROSS_COMPILE}windres)
-		[ "$WINDRES" ] || { echo "$ECHOBUF ... Not found. Exiting."; exit 1; }
+		[ "$WINDRES" ] || { echo "$echobuf ... Not found. Exiting."; exit 1; }
 	fi
-	echo "$ECHOBUF ... $WINDRES"
+	echo "$echobuf ... $WINDRES"
 fi
 
-ECHOBUF="Checking for pkg-config"
-
 [ -n "$PKG_CONF_PATH" ] || {
 	PKG_CONF_PATH="none"
 
@@ -93,7 +87,7 @@ ECHOBUF="Checking for pkg-config"
 
 }
 
-echo "$ECHOBUF ... $PKG_CONF_PATH"
+echo "Checking for pkg-config ... $PKG_CONF_PATH"
 
 if [ "$PKG_CONF_PATH" = "none" ]; then
 	echo "Warning: pkg-config not found, package checks will fail."

qb/qb.system.sh

@@ -0,0 +1,28 @@
+
+if [ -n "$CROSS_COMPILE" ]; then
+	case "$CROSS_COMPILE" in
+		*'-mingw32'*) OS='Win32';;
+		*);;
+	esac
+fi
+
+if [ -z "$CROSS_COMPILE" ] || [ -z "$OS" ]; then
+	case "$(uname)" in
+		'Linux') OS='Linux';;
+		*'BSD') OS='BSD';;
+		'Darwin') OS='Darwin';;
+		'CYGWIN'*) OS='Cygwin';;
+		'Haiku') OS='Haiku';;
+		'MINGW'*) OS='Win32';;
+		*) OS="Win32";;
+	esac
+fi
+
+DISTRO=''
+if [ -e /etc/lsb-release ]; then
+	. /etc/lsb-release
+	DISTRO="(${DISTRIB_DESCRIPTION} ${DISTRIB_RELEASE})"
+fi
+
+echo "Checking operating system ... $OS ${DISTRO}"
+